Do not re-append an existing node when re-rendering with childs

Thomas Bruederli

2015-03-12 791c66c5fb7af731659d10171d62778f0f12c2fe

 program/js/treelist.js

@@ -334,7 +334,7 @@

      // re-render the entire subtree
      if (parent_node.children.length == 1) {
        render_node(parent_node, parent_li.parent(), parent_li);
        render_node(parent_node, null, parent_li);
        li = id2dom(node.id);
      }
      else {